. >> reporter: the brothers rechanneled their perpetual energy and in july observed ramadan with a multistate cross-country teaching tour, reaching 30 mosques in 30 days. including the one that is perhaps america's most controversial, in lower manhattan, located just north of ground zero. >> it's about two blocks away and it's tucked into a little corn somewhere there's just a small, peaceful place to pray. people in the towers who were muslim. >> reporter: among the nearly 3,000 who died at ground zero 60 were muslims. their names rendered in bronze. american flight 11 passenger was seven months pregnant at the time of her death. the teaching tour during ramadan included stops at food kitchens, meetings with youth groups and emphasis on treating women with equality. >> my wife when we were in denver just became muslim. but the brothers have this 15 course meal and the sisters have one piece of pizza to share. so you know, today they were talking about taking care and taking hold of ramadan and not letting the month pass you by. how can we get to that part if we can't satisfy the basic struct